Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/03/2025, 13:37

General

  • Target

    MasonClient.exe

  • Size

    47KB

  • MD5

    2c8f88e34446781e1a4d201c173d420d

  • SHA1

    c376cdd4aebccf20e85b799e9ceeeebafa77bc83

  • SHA256

    f2f027c21e90d41a12cfeacc16b07216a85eb17d3d4b39fdc51fe3143c8dde46

  • SHA512

    51662ad30d27268435be6fefa779932be47151b64476a1b8a48e74011140e555a377063c5d5ee3eb6a71f4e12979f3f37aef765122c8de9927cb7220fd1da7d7

  • SSDEEP

    768:ln8y5X66Owo6hEfizVik25DTpvghbrivo2g7KPYxJ3AbiOmb00R9S34u3JceujU+:lnD66Owo6hEfizVik2BTpvghbrivFgmI

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MasonClient.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3416-0-0x00007FFDDCF73000-0x00007FFDDCF75000-memory.dmp

    Filesize

    8KB

  • memory/3416-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

    Filesize

    72KB

  • memory/3416-2-0x00007FFDDCF70000-0x00007FFDDDA32000-memory.dmp

    Filesize

    10.8MB

  • memory/3416-3-0x0000000002F50000-0x0000000002F62000-memory.dmp

    Filesize

    72KB

  • memory/3416-4-0x00007FFDDCF73000-0x00007FFDDCF75000-memory.dmp

    Filesize

    8KB

  • memory/3416-5-0x00007FFDDCF70000-0x00007FFDDDA32000-memory.dmp

    Filesize

    10.8MB